try {

        String host ="jdbc:derby://localhost:1527/UserData";
        String DBusername="mohammad";
        String DBpassword="0598087382";
        String userName=lblApplicantName.getText();
        Connection cn = DriverManager.getConnection(host,DBusername,   DBpassword);
        String command ="UPDATE  MOHAMMAD.USERTABLE  SET ISACCEPTED =TRUE WHERE  USERNAME='"+userName+"'";
        Statement stmt =cn.createStatement();
        stmt.execute(command);
       stmt.close();
       cn.close();

        logIN.cellNo[cellIndex]=0;
        cellIndex++;}


catch (SQLException e) {
    JOptionPane.showMessageDialog(null, e.getMessage(),"can't connect to   DataBase",0);